I have a batterybackup/surge protector BE750G is thisbattery a replacement?

Yes. That is a definite yes. I just (Feb 2021) used this replacement in my own BE750G and it is working just fine. Cables & battery all fit snugly. It looks & works exactly the same as the old one.

What is the voltage and amperage for this battery?

Based on the size, it appears to be a 5.5Ah battery. It is smaller than the more common 12V 7Ah -2" wide vs 2.5" wide

When i power on the apc be725bb the red led light blinks and it buzz do i need a replacement battery or replace the complete set?

when I put my new battery in it did the same,i unplugged the unit from the wall and then it was all good.I did let it keep beeping for a few minutes thinking it would stop? but unplugging it and then wait 30 sec and plug it back in. worked for me

Dimensions and Ah value

Their website does not specify amp-hr value, but their online chat gave 10.5 Amp-hr

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APC UPS Battery Replacement Cartridge APCRBC110, Compatible with APC Back‑UPS model BE550G

Product ID: 1863375

Details

Battery Capacity
5.5 amp_hours
Battery Cell Composition
Lead Acid
Brand
APC
Number of Batteries
1 Lithium Ion
Recommended Uses For Product
Ups

⚡5.5Ah Battery Capacity

🔋12V VRLA Lead Acid Power

🛡️2-Year APC Warranty

3760463₫

Duties & taxes included

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Description

🔋 Power up your peace of mind — never let downtime steal your edge!

RISK FREE REPLACEMENT - Backed by a 2-year manufacturer warranty for peace of mind and uninterrupted productivity.
PRECISION COMPATIBILITY - Specifically engineered for APC Back-UPS BE550G to guarantee seamless fit and performance.
EXTENDED RUNTIME REVIVAL - Breathe new life into your UPS runtime and avoid unexpected shutdowns during critical moments.
CERTIFIED QUALITY SAFETY - Each battery is rigorously tested and certified to meet APC’s strict performance standards.
GENUINE APC POWER ASSURANCE - Restore your UPS to factory-grade reliability with authentic APC battery cartridges.

The APC APCRBC110 Replacement Battery Cartridge is a genuine, tested VRLA lead acid battery designed exclusively for the APC Back-UPS BE550G. Delivering 12 volts and 5.5 amp-hours of reliable power, it restores your UPS to original factory performance. With a 2-year warranty and certified compatibility, this cartridge ensures your critical devices stay protected and operational when it matters most.

Specifications

ASIN	B001NTGUP6
Amperage	9 A
Antenna Location	Ups
Battery Capacity	5.5 amp_hours
Battery Cell Type	Lead Acid
Battery Weight	0.01 g
Best Sellers Rank	#21 in Computer Uninterruptible Power Supply Units
Brand	APC
Compatible Phone Models	Not for mobiles
Customer Reviews	4.6 4.6 out of 5 stars (4,022)
External Testing Certification	Não Aplicável
Global Trade Identification Number	00731304248217, 00971478542722
Item Dimensions	2.55 x 5.95 x 4.15 inches
Item Type Name	APC APCRBC110 Replacement Battery Cartridge #110
Item Weight	16 ounces
Manufacturer	APC
Model Name	RBC110
Model Number	APCRBC110
Number of Batteries	1 Lithium Ion batteries required.
Reusability	Rechargeable
UPC	731304248217
Unit Count	1 Count
Voltage	12 volts
Warranty Description	1 year repair or replace

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